diff --git a/tests/testall.nim b/tests/testall.nim
index b491144..81c3a4e 100644
--- a/tests/testall.nim
+++ b/tests/testall.nim
@@ -6,6 +6,7 @@ import
   ./datastore/testtieredds,
   ./datastore/testmountedds,
   ./datastore/testmemoryds,
-  ./datastore/testthreadproxyds
+  ./datastore/testthreadproxyds,
+  ./datastore/testsemaphore
 
 {.warning[UnusedImport]: off.}